41 citations · 180 across the 16 of their papers we have counts for
16 papers
Modelling of a large-scale non-insulated non-planar HTS stellarator coil using Quanscient Allsolve
Tara Benkel, Mika Lyly, Janne Ruuskanen +3
Stellarators present features such as steady-state operation and intrinsic stability that make them more attractive than tokamaks in their scaling to fusion power plants. By levera…
Agile Meets Quantum: A Novel Genetic Algorithm Model for Predicting the Success of Quantum Software Development Project
Arif Ali Khan, Muhammad Azeem Akbar, Valtteri Lahtinen +4
Context: Quantum software systems represent a new realm in software engineering, utilizing quantum bits (Qubits) and quantum gates (Qgates) to solve the complex problems more effic…
Modeling non-planar coils in a full-scale stellarator
Merle Backmeyer, Nicolo Riva, Mika Lyly +2
Design and modeling of a stellarator fusion reactor is a multidisciplinary effort that requires a tight integration between simulation of highly nonlinear multi-physics and represe…
Efficient parallelization of quantum basis state shift
Ljubomir Budinski, Ossi Niemimäki, Roberto Zamora-Zamora +1
Basis state shift is central to many quantum algorithms, most notably the quantum walk. Efficient implementations are of major importance for achieving a quantum speedup for comput…
- formulation in Sparselizard combined with domain decomposition methods for modeling superconducting tapes, stacks, and twisted wires
Nicolo Riva, Alexandre Halbach, Mika Lyly +3
The growing interest in the modeling of superconductors has led to the development of effective numerical methods and software. One of the most utilized approaches for magnetoquasi…
Agile Practices for Quantum Software Development: Practitioners Perspectives
Arif Ali Khan, Muhammad Azeem Akbar, Aakash Ahmad +5
Quantum software systems are emerging software engineering (SE) genre that exploit principles of quantum bits (Qubit) and quantum gates (Qgates) to solve complex computing problems…
Thin-Shell Approach for Modeling Superconducting Tapes in the - Finite-Element Formulation
Bruno de Sousa Alves, Valtteri Lahtinen, Marc Laforest +1
This paper presents a novel finite-element approach for the electromagnetic modeling of superconducting coated conductors. We combine a thin-shell (TS) method to the - formul…
Microwave response of a metallic superconductor subject to a high-voltage gate electrode
Giacomo Catto, Wei Liu, Suman Kundu +3
Processes that lead to the critical-current suppression and change of impedance of a superconductor under the application of an external voltage is an active area of research, espe…
Photon-number-dependent effective Lamb shift
Arto Viitanen, Matti Silveri, Máté Jenei +8
The Lamb shift, an energy shift arising from the presence of the electromagnetic vacuum, has been observed in various quantum systems and established as the part of the energy shif…
A Robust Method for Image Stitching
Matti Pellikka, Valtteri Lahtinen
We propose a novel method for large-scale image stitching that is robust against repetitive patterns and featureless regions in the imagery. In such cases, state-of-the-art image s…
Effects of device geometry and material properties on dielectric losses in superconducting coplanar-waveguide resonators
Valtteri Lahtinen, Mikko Möttönen
Superconducting coplanar-waveguide (CPW) resonators are one of the key devices in circuit quantum electrodynamics (cQED). Their performance can be limited by dielectric losses in t…
Semantics of HTS AC loss modelling: Theories, models and experiments
Valtteri Lahtinen, Antti Stenvall
Computer-assisted modelling is an essential approach to design new devices. It speeds up the process from the initial idea to an actual device and saves resources by reducing the n…
Cuts for 3-D magnetic scalar potentials: visualizing unintuitive surfaces arising from trivial knots
Alex Stockrahm, Valtteri Lahtinen, Jari J. J. Kangas +1
A wealth of literature exists on computing and visualizing cuts for the magnetic scalar potential of a current carrying conductor via Finite Element Methods (FEM) and harmonic maps…
Open Material Property Library With Native Simulation Tool Integrations -- MASTO
Antti Stenvall, Valtteri Lahtinen
Reliable material property data is crucial for trustworthy simulations throughout different areas of engineering. Special care must be taken when materials at extreme conditions ar…
Towards a unified framework for decomposability of processes
Valtteri Lahtinen, Antti Stenvall
The concept of process is ubiquitous in science, engineering and everyday life. Category theory, and monoidal categories in particular, provide an abstract framework for modelling…
Ripple field losses in DC biased superconductors: simulations and comparison with measurements
V. Lahtinen, E. Pardo, J. Šouc +2
For example in some supercondcuting generators, motors and power transmission cables the superconductor experiences a changing magnetic field in a DC background. Simulating the los…